package com.eistert.java.datastructure._07_Set;

/**
 * @Description: definition interface for the Set
 * @Author: ai
 * @create: 2023-04-05 00:24
 */
public interface _07_Set<E> {
    void add(E e);

    boolean contains(E e);

    void remove(E e);

    int getSize();

    boolean isEmpty();
}
